Sharks

Background and Recovery
Then and Now
There are 468 known species of sharks living in our oceans. They predate the dinosaurs by 200 million years. Now, however, shark numbers are on the decline, with approximately 73 million sharks killed each year as a result of shark finning and incidental catch by fishermen.
Key Recovery and Milestones
Currently 258 shark species are listed as threatened on the International Union for Conservation of Nature (IUCN) Red List. An additional 210 species are listed in the Data Deficient category because of a lack of sufficient population data, which itself suggests these species are at high risk. The IUCN has estimated that 32 percent of open-ocean sharks are threatened with extinction.
More on Sharks: Defenders in Action: Stopping Shark Finning »
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Conservation Issue
Wildlife doesn’t stop at the U.S. border – so neither do we. We work internationally to protect wildlife species across the planet.
Where We Work
The Golden state is home to millions of wild birds, mammals, amphibians, reptiles and fish that need our help.
In the Magazine
Nearly as long as a bus and weighing almost 2.5 tons, no fish is more fearsome or famous than the great white shark.
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On the Blog
March 27, 2013 | 10.50 AM
March 18, 2013 | 9.47 AM
February 11, 2013 | 10.31 AM




